Being up to particular standard or level especially in being up to date in knowledge.
1He would arrive in meetings totally au fait and up to speed.
2They were completely au fait with the local customs and adhering to them.
3I'll take his word for it: I'm not au fait with the model numbers.
4You are more au fait to the details than myself.
5Everyone seems fairly au fait with how to operate it.
6With camp-craft, with its cunning devices, he is au fait.
7You are more au fait as to the society here than the Ponsonbys and Dynevors.
8A few days of preparation makes Madame " au fait" in the newest fashions.
9Even those not fully au fait with the traditions of the GAA appreciated the concession.
10She was very much au fait at the 'Origin,' and Huxley's book, the 'Antiquity,' etc.
11They will be au fait with what differences there will be between US and foreign purchasers.
12I'm not au fait with this particular brand of superstition.)
13I am interested in investing in government stocks but am not au fait with the different categories.
14Indeed, his bibliography reveals how little he is au fait with modern historians of early 20th-century Ireland.
15Even if Brooking is not yet au fait with managerial protocol, his appointment is looking a wise decision.
16People who are not au fait with the world of film might imagine this is no big deal.